Fastener



FIG. 1 is a perspective view of a first embodiment of a fastener according to the present invention.

FIG. 2 is a left side elevation view of the embodiment of FIG. 1, to which a right side elevation view is identical.

FIG. 3 is a front side elevation view of the embodiment of FIG. 1, to which a rear side elevation view is identical.

FIG. 4 is a bottom plan view of the embodiment of FIG. 1.

FIG. 5 is a top plan view of the embodiment of FIG. 1.

FIG. 6 is a perspective view of a second embodiment of a fastener according to the present invention.

FIG. 7 is a left side elevation view of the embodiment of FIG. 6, to which a right side elevation view is identical.

FIG. 8 is a front side elevation view of the embodiment of FIG. 6, to which a rear side elevation view is identical.

FIG. 9 is a bottom plan view of the embodiment of FIG. 6; and,

FIG. 10 is a top plan view of the embodiment of FIG. 6. 

CLAIM The ornamental design for a fastener, as shown and described. 